Table 3.
Procedural parameters by type of procedure
| PVI-only | Repeat procedure | PVI ( +) additional lesions | Any LAPWi (first and repeat) | Any isthmus (first and repeat) | Any PVI (not repeat) | |
|---|---|---|---|---|---|---|
|
Number of patients *Overlap between groups |
17 | 18 | 13 | 17 | 17 | 30 |
| Procedure time (skin to skin), mean ± SD, min | 106 ± 31 | 114 ± 26 | 152 ± 36 | 125 ± 33 | 118 ± 37 | 125 ± 40 |
| Fluoroscopy, mean ± SD, min | 6 ± 3 | 7 ± 3 | 6 ± 3 | 7 ± 3 | 6 ± 4 | 6 ± 4 |
| Dose area product, mean ± SD, cGy × cm2 | 6 ± 5 | 13 ± 14 | 9 ± 9 | 11 ± 14 | 11 ± 14 | 8 ± 7 |
| First-time PVI | 17 | 0 | 13 | 5 | 8 | 30 |
| Repeat ablation, # | 0 | 18 | 0 | 12 | 6 | 0 |
| FPFA applications (tags), mean ± SD, min | 65 ± 7 | 32 ± 16 | 83 ± 16 | 24 ± 12 | 10 ± 4 | 65 ± 8 |
| Ultrahigh-density 3D mapping points, mean ± SD | 4131 ± 2922 | 8104 ± 7542 | 5508 ± 3900 | 6994 ± 7487 | 6071 ± 3473 | 4683 ± 3252 |
| Post ablation evaluation mapping time, mean ± SD, min | 7 ± 5 | 9 ± 3 | 7 ± 3 | 8 ± 3 | 8 ± 3 | 7 ± 4 |
| First pass isolation or linear anatomical block, anatomical sites, # | 69/70 (99%) | 23/25 (92%) | 59/60 (98%) | 14/17 (82%) | 17/17 (100%) | 122/124 (98%) |
| Adenosine positive for dormant conduction, # | 0/40 (0%) | 0/8 (0%) | 0/5 (0%) | 0/9 (0%) | 0/6 (0%) | 0/64 (0%) |
DAP, dose area product; SD, standard deviation; PVI, pulmonary vein isolation; PVI ( +), pulmonary vein isolation with additional lesion sets; LAPW, left atrium posterior wall isolation; FPFA, focal pulsed field ablation